32 ounce, double walled, vacuum sealed 304 stainless steel construction. BPA free polymer flip lid with attachment loop, food grade silicone seal, and rubber grip ring. Bone Tactical wide mouth water bottles are built to last a lifetime. The double-walled vacuum technology keeps hot drinks hot and cold drinks ice cold all day long. The included extra paracord survival handle also features a compass, fire starter, knife, and whistle... all built in.
*If you need to use this bottle to heat and purify water in an emergency situation, we recommend perforating a small hole in the outer wall. Since the walls are vacuum sealed, this will facilitate the process of using the bottle to heat liquids over a fire.